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Author Question: Describe a plan for estimating the average GPA at your university by using inferential statistics. ... (Read 91 times)

NClaborn

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on: Jun 24, 2018
Describe a plan for estimating the average GPA at your university by using inferential statistics. Include which statistical technique you plan to use to draw your conclusions.

Question 2

If you want to compare two populations that each have two categories, you can use a z-test for two proportions, or a chi-squared test of a(n) ___________________ _.
 Fill in the blank(s) with correct word


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stallen

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Reply #1 on: Jun 24, 2018
Answer to Question 1

Select a random sample of n students from this university, where n is large. Find the GPA for each student, and then calculate the mean and standard deviation of the GPA for all n students. Use this information to estimate the average GPA for all students at the university by using a confidence interval.

Answer to Question 2

contingency table


NClaborn

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

alexanderhamilton

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Reply 3 on: Yesterday
Excellent

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